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Finding the Fourth Proportional to 91,147.16, 125,792.16 and 55,334.36

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Solution

The fourth proportional to 91,147.16, 125,792.16 and 55,334.36 is: 76,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,147.16 : 125,792.16 = 55,334.36 : x
  2. Step 2: Convert to fraction form
    91,147.16/125,792.16 = 55,334.36/x
  3. Step 3: Cross multiply
    91,147.16x = 125,792.16 × 55,334.36
  4. Step 4: Simplify right side
    91,147.16x = 6,960,628,666.62
  5. Step 5: Solve for x
    x = 6,960,628,666.62/91,147.16
  6. Step 6: Final answer
    x = 76,366.93

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